Git commits in Moodle 3.1.x by Grzegorz Ziółek

commit 52f391ceab36b0a0728693167c88a9172485aad6
Author: Grzegorz Ziółek <grzesiekz@gmail.com>
Date:   Mon, 20 Mar 2017 19:43:40 +0800
Tag:    v3.1.6

MDL-58325 config_log: Record changes in editor management to config_log.

commit 5400ad13dd3c292999a8dc574acf746e79d36c5e
Author: Grzegorz Ziółek <grzesiekz@gmail.com>
Date:   Tue, 06 Dec 2016 18:42:30 +0800
Tag:    v3.1.4

MDL-56830 config_log: Add block plugin visibility changes to config_log.